Crate polkadot_node_network_protocol

Network protocol types for parachains.

Modules

• authority_discovery
  Accessing authority discovery service Authority discovery service interfacing.
• grid_topology
  Grid topology support module Grid topology support implementation The basic operation of the 2D grid topology is that:
• peer_set
  Peer-sets and protocols used for parachains. All peersets and protocols used for parachains.
• request_response
  Request/response protocols used in Polkadot. Overview over request/responses as used in Polkadot.
• v1
  v1 notification protocol types.
• v2
  v2 network protocol types.
• v3
  v3 network protocol types. Purpose is for changing ApprovalDistributionMessage to include more than one assignment and approval in a message.

Macros

• our_view
  Construct a new OurView with the given chain heads, finalized number 0
• view
  Construct a new view with the given chain heads and finalized number 0.

Structs

• OurView
  Specialized wrapper around View.
• PeerId
  Identifier of a peer of the network.
• ReputationChange
  Description of a reputation adjustment for a node.
• View
  A succinct representation of a peer’s view. This consists of a bounded amount of chain heads and the highest known finalized block number.
• WrongVariant
  An error indicating that this the over-arching message type had the wrong variant

Enums

• ObservedRole
  The advertised role of a node.
• UnifiedReputationChange
  Unified annoyance cost and good behavior benefits.
• Versioned
  A protocol-versioned type.

Constants

• MIN_GOSSIP_PEERS
  The minimum amount of peers to send gossip messages to.

Functions

• filter_by_peer_version
  Returns the subset of peers with the specified version.

Type Aliases

• ApprovalDistributionMessage
  Version-annotated messages used by the approval distribution subsystem.
• BitfieldDistributionMessage
  Version-annotated messages used by the bitfield distribution subsystem.
• CollatorProtocolMessage
  Version-annotated messages used by the bitfield distribution subsystem.
• GossipSupportNetworkMessage
  Version-annotated messages used by the gossip-support subsystem (this is void).
• StatementDistributionMessage
  Version-annotated messages used by the statement distribution subsystem.
• VersionedCollationProtocol
  All supported versions of the collation protocol message.
• VersionedValidationProtocol
  All supported versions of the validation protocol message.